Welcome to the store! 1. Control page up/down in presentations, full-screen display, indicator, volume control, allowing for free presentation. 2. Supports Office, page turning, tab, enter, full screen, exit full screen, Windows switching, etc. 3. The SB receiver is magnetic and easily snaps back onto the end of the pen. 4. Long remote distance of approximately 15-20 meters/49.2-65.6ft, for greater convenience and fewer restrictions. 5. The laser color is bright, and the indication is more eye-catching; press and light, simple and easy to use. 6. High-quality chip, stable performance, anti-WIFI and Bluetooth interference. 7. Suitable for public classes, training, conferences, presentations, etc. Item Type: Presentation Clicker Material: ABS Color: Black Battery Type: 1 x AAA battery (not included) Remote Control Distance: Approx. 15-20 m/49.2-65.6 ft Wavelength: 650mm Power: ＜5mW Remote Method: 2.4GHz radio frequency technology Wireless Frequency: 2.4GHz Working Voltage: 1.5V Package Includes: 1 x Presentation Clicker 1 x Storage Bag 1 x Manual